Magnetic Field Strength and Temperature-Dependent Calibration System of Hall Probe for the HEPS-TF Cryogenic Permanent Magnet Undulator
Radiation detection technology and methods(2018)
摘要
High energy photon source test facility (HEPS-TF) has manufactured a three-dimensional Hall probe to measure the cryogenic permanent magnet undulator (CPMU). Since the operating environment of the CPMU is the subcooled liquid nitrogen (85K), the temperature of the Hall probe will have a decrease of several degrees while carrying out the local magnetic measurement. We established a magnetic field strength and temperature-dependent calibration system to calibrate the Hall probe.
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关键词
Temperature calibration,Cryogenic permanent magnet undulator,Three-dimensional Hall probe,Nuclear magnetic resonance Tesla meter
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